Here's a breakdown that was done:
http://ninercaphell.com/2014/06/05/e...ofootballtalk/
Salary
2014 3.7m
2015 17.2
2016 18.7
2017 21.3
2018 21.8
2019 21.2
2020 23.4
Signing bonus of 12 million applies to 2014 and is prorated 5 years. His base for 2014 is 645k.